Filter element



FIG. 1 is a perspective view of a filter element.

FIG. 2 is another perspective view of the filter element.

FIG. 3 is a side view of the filter element.

FIG. 4 is an opposite side view of the filter element.

FIG. 5 is a top view of the filter element.

FIG. 6 is a bottom view of the filter element.

FIG. 7 is an end view of the filter element; and,

FIG. 8 is an opposite end view of the filter element. 

CLAIM The ornamental design for a filter element, as shown and described. 